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From my google-fu on this, it seems PCI-e bifurcation is a feature in most CPUs from the last few years, its just a case of your BIOS giving you the option to configure the x16 slot(s) to 4x4x4x4x, which only seems to be available in higher-end gaming or workstation motherboards. Its a public holiday in the UK today, so I'll not get this delivered until later in the week to test unfortunately.

I get the option to change the lane layout for my x16 slots (x16 or x8x8 or x4x4x4x4), so im hoping its supported.... Ive ordered the part and i'll report back once ive fitted it. For anyone curious this is the setup im using: ASRock - EP2C602-4L/D16 2x E5-2670

So I spotted this today... a single slot x16 PCI-e expansion card for 4x NVMe drives: https://www.scan.co.uk/products/asus-hyper-m2-card-pcie-30-x16-4x-m2-pcie-2242-60-80-110-slots-intel-vroc-support-for-asus-x299-moth https://www.asus.com/uk/Motherboard-Accessory/HYPER-M-2-X16-CARD/ Does anyone have one of these running on a non-X299 board? Would be very very useful if thats the case! At that price im tempted to just get it and see if it works anyway... Ideally it would still split each NVMe into its own IOMMU group too.. but i think im asking a bit much there!

the dmidecode command returns EP2C602-4L/D16 I'll have a read through and see what i can come up with Mark

Hi Guys, I dont seem to have the option for fan control in the plugin settings, the enable drop down is disabled. My fans and RPM is showing correctly when running ipmi-sensors -t fan Any ideas where to start with this? I have an ASRockRack EP2C602-4L/D16

Is there a way to build the install ISO on something other than MacOS?

Is there a way to make the installer ISO on linux or windows? can someone link me...

ARM Visualization could maybe open the door for an Android TV VM too... hmm!

Ive recently done a server rebuild and come to the point I want to reinstall this plex docker... is it still necessary to set up the temp\transcode folder to reside in memory so it doesnt fill up the docker image and have faster read\write when transcoding? if so, what variables and settings need to change? Thanks all

If this was me, id back up what you wanted to put back on cache post pool change into the array temporarily, reduce to one device, reformat the cache drive and copy data back. Obviously beforehand, disable VMs and/or docker so nothing tries to write to cache while you're reformatting and copying data back. The GUI has always seemed to be geared to adding more disks to the array, or more disks to cache, but not the other way around. EDIT: See linky below

if you're still having issues, post your XML.

I pretty much do the same thing.... Copy and paste the XML out and email it to myself in case the change I make breaks the VM, then I can paste back to the original. Going forward I think the 6.2 update is going to add a lot of functionality to the GUI in terms of VMs so fingers crossed we won't need to edit the XML as much as we do now to pass through entire ssds, usb controllers and other pcie devices.

This is pretty much the case for any Dell PERC Card being used on a non-Dell motherboard.

Yep, When making changes in the GUI to any VMs, it'll get rid of any custom changes youve made to the XML. I have the extra bits ive added to the XML saved into some text files so i can easily copy\paste them back in if I ever need to.

@zunfire: That additional line is added to assign a virtual PCI Slot to the device you have passed through. Its normal. And as its added automagically, its saved you some typing

Probably a stupid question but i'll ask anyway... I currently house my VMs (windows\openelec) on an SSD outside of my array. At the moment its formatted in ext4. Would i see much difference in performance using zfs? Also, you mentioned the lack of ZFS out of the box was a "dealbreaker". Could you expand on that a little? What benefits does ZFS bring the the table that made it worth the effort to build the plugin?

This is the only annoying thing about how KVM stuff has been integrated into the GUI for me so far. Some stuff is nice to change in the GUI, but once you start adding bits to the XML because they arent available int he GUI, any changes you make in the GUI overwrite what changes youve made in the XML. Really hoping there's a more comprehensive view on the 'edit' screen that shows all available devices to be passed through, and if theyve already been assigned to other VMs.